CN103855536A - Locking device for charging port - Google Patents
Locking device for charging port Download PDFInfo
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- CN103855536A CN103855536A CN201310596958.7A CN201310596958A CN103855536A CN 103855536 A CN103855536 A CN 103855536A CN 201310596958 A CN201310596958 A CN 201310596958A CN 103855536 A CN103855536 A CN 103855536A
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Abstract
The invention provides a locking device for a charging port, a charging gun is inserted into the charging port and the charging gun is clamped and external charging is carried out, even through a load in the deblocking direction is applied to a limiting part, the clamping of the charging port is prevented from being relieved. The locking device for the charging port comprises a locking mechanism, when a clamping part of the charging gun and a clamped part of a common charging port are in a clamping state, the locking mechanism achieves a locking state through a rod to prevent the clamping state from being relieved and achieves a deblocking state through the rod to allow the clamping state to be relieved. In the locking device for the charging port, the locking device comprises a disk which is driven to rotate by a motor and a sliding pin which is connected with the disk and the rod and converts circular movements of the disk into rectilinear movements of the rod. In addition, under the condition that the rod is pressed to the deblocking direction near the biggest protrusion of the rod, the force, of the sliding pin, being applied to the disk faces the neighborhood of the rotation center of the disk.
Description
Technical field
The present invention relates to, when charging gun being inserted to the charging port of motor vehicle and make its engaging carry out external charging, the engaging of charging gun be removed to the charging port locking system that operation limits.
Background technology
At present, known a kind of plug latch locking apparatus, it is by utilizing motor to make transferring elements rotation, thereby make retainer carry out rectilinear motion, make the locking rod linking with retainer be positioned at the top for the engagement pawl of plug (=charging gun), thereby realize lockup state (for example,, with reference to patent documentation 1).
Patent documentation 1: TOHKEMY 2011-249165 communique
But, in existing plug latch locking apparatus, by engaging with internal gear and rotatablely moving of transferring elements (external gear) being transformed to the rectilinear motion of retainer.Therefore, have following problems, that is, to the locking rod linking with retainer while applying the load that is pressed into direction (direction left in Fig. 7 of patent documentation 1), motor may rotate and locking is removed together with transferring elements.
Summary of the invention
The present invention proposes in view of the above problems, object is to provide a kind of charging port locking system, this charging port locking system, for when charging gun being inserted to the charging port of motor vehicle and make its engaging carry out external charging, prevents that the engaging of charging gun is disengaged.
To achieve these goals, the present invention has: charging port, and it is supplied to the electric power from external power source under the fastening state of charging gun; And lockable mechanism, it is at charging gun when the state in engaging with charging port, realizes by limiting part and limits the lockup state that fastening state removes and the released state lifting restrictions.
In this charging port locking system,
Described lockable mechanism has: the first link, and it is rotated driving by drive source; And second link, it is connected with described the first link and described limiting part, the circular motion of the first link is transformed to the rectilinear motion of limiting part.
And, described lockable mechanism is configured to, near the maximum of described limiting part is protruded, in the situation that described limiting part is pressed into unlocking direction, the direction that is applied to the power on described the first link by described the second link is near the pivot of described the first link.
The effect of invention
Thus, when limit the lockup state of releasing of the lockup state of charging gun and charging port by limiting part, near limiting part maximum is protruded is pressed to unlocking direction.At this moment, be applied to the direction of the power the first link from the second locking component being connected with limiting part, near the pivot of the first link.
That is, if only limiting part is applied the load of the direction being pressed into, the power being subject in tangential direction due to the first link is less, therefore, cannot make limiting part move to unlocking direction.
Its result, thus when charging gun being inserted to charging port and make its engaging carry out external charging, even if limiting part is subject to the load of unlocking direction, also can prevent that the engaging of charging gun from removing.
Accompanying drawing explanation
Fig. 1 is the brief strabismus map that represents the motor vehicle of the charging port locking system that uses embodiment 1.
Fig. 2 is the oblique view that represents the vehicle body front structure of the motor vehicle of the charging port locking system that uses embodiment 1.
Fig. 3 is the oblique view that represents the external charging state of the motor vehicle of the charging port locking system that uses embodiment 1.
Fig. 4 is the cutaway view that represents the detailed construction of the charging port locking system of embodiment 1.
Fig. 5 is the C portion enlarged drawing of Fig. 4, represents that the lockable mechanism of the charging port locking system of embodiment 1 limits the released state (b) that rod bolt is removed the lockup state (a) of operation and allowed rod bolt releasing operation.
Fig. 6 is the overall structure figure of the sliding pin that represents the charging port locking system of embodiment 1 lockable mechanism while being positioned at the maximum outside diameter position of cotter slot.
Fig. 7 is the figure that represents the locking component of the lockable mechanism of the charging port locking system that forms embodiment 1.
Fig. 8 is the figure that represents the sliding pin parts of the lockable mechanism of the charging port locking system that forms embodiment 1.
Fig. 9 is the figure that represents the cotter slot forming surface of the disk of the lockable mechanism of the charging port locking system that forms embodiment 1.
Figure 10 is the figure that represents the self-cleaning contact installation surface of the disk of the lockable mechanism of the charging port locking system that forms embodiment 1.
Figure 11 is illustrated in the charging port locking system of embodiment 1, the Action Specification figure of lockable mechanism when sliding pin is positioned at the unlocked position of cotter slot.
Figure 12 is illustrated in the charging port locking system of embodiment 1, the Action Specification figure of lockable mechanism when sliding pin is positioned at the lock position of cotter slot.
Figure 13 is illustrated in the charging port locking system of embodiment 2, the overall structure figure of the first case of the lockable mechanism while being positioned at lock position for the intermediate bar that bar is connected with disk.
Figure 14 is illustrated in the charging port locking system of embodiment 2, the overall structure figure of the second case of the lockable mechanism while being positioned at lock position for the intermediate bar that bar is connected with disk.
Figure 15 is illustrated in the charging port locking system of embodiment 2, the overall structure figure of the 3rd example of the lockable mechanism while being positioned at lock position for the intermediate bar that bar is connected with disk.
The explanation of label
11 external power sources
22 common charging ports (charging port)
22a engaged part
23 quick charge ports (charging port)
50 charging guns
51 rod bolt action bars
51a holding section
60 lockable mechanisms
61 bars (limiting part)
61a stop component
61b spring (spring members)
61e spring (spring members)
62 motor (drive source)
63 worm screws
64 worm gears
65 disks (the first link)
65a cotter slot
65b the first extension slot
65c the second extension slot
65d elastomer
65e elastomer
65f locking side electric terminal (self-cleaning contact)
65g release side electric terminal (self-cleaning contact)
66 sliding pins (the second link)
67 lockable mechanism housings
67a retainer (stationary parts)
68 intermediate bars (the second link)
68a disk side mounting points
68b bar side mounting points
O pivot
Embodiment
Below, based on embodiment 1 shown in the drawings and embodiment 2, to describing for the best mode of realizing charging port locking system of the present invention.
[embodiment 1]
First structure is described.
The structure of the charging port locking system of embodiment 1 is divided into " schematic configuration of motor vehicle ", " structure of external charging unit ", " detailed construction of charging port locking system ", " detailed construction of lockable mechanism " and describes.
[schematic configuration of motor vehicle]
Fig. 1 illustrates the motor vehicle of the charging port locking system that uses embodiment 1.Below, based on Fig. 1, the schematic configuration of motor vehicle is described.
As shown in Figure 1, use the motor vehicle 1 of the charging port locking system of embodiment 1 to there are drive motor 2, drive motor inverter 3, DC/DC terminal box 4, battery pack 5, external charging unit 6, onboard charger 7,8,12 volts of on-vehicle batteries 9 of air-conditioning unit.
Described drive motor 2 is to have travelling of decelerator to use drive source, is configured in the M of motor room that is arranged at front part of vehicle.The not shown output shaft of this drive motor 2 links with the left and right front-wheel (only illustrating the near front wheel FL) as driving wheel.In the time exporting positive torque command to drive motor inverter 3, this drive motor 2 uses the drive actions that produces driving torque from the discharged power of battery pack 5, and left and right front-wheel is driven to (traction).On the other hand, in the time exporting negative torque command to drive motor inverter 3, carry out being transformed to the generating action of electric energy from the rotation function of left and right front-wheel, the electric power that generating is obtained is as the charging power (regeneration) of battery pack 5
Described DC/DC terminal box 4 is built-in with DC/DC converter, and the high-tension discharged power from battery pack 5 is distributed, and powers, and 12 volts of on-vehicle batteries 9 are charged to 12 volts of power-supply systems.In addition, this DC/DC terminal box 4 has common charge relay and quick charge relay, can coordinate charge mode to carry out the switching of charging circuit.
The downside that described battery pack 5 is configured in floor F is in lower space Y, and in the central portion position of wheelspan.This battery pack 5 becomes the electric power source of drive motor 2, and becomes the electric power source of air-conditioning unit 8.
Described external charging unit 6 is to be connected with the charging gun 50 of the external power source 11 such as charging station or family expenses charging device and to carry out the unit of external charging, and it is arranged on front part of vehicle middle position, and, be can be opened and closed to cover by charging end lid 21.In addition,, as charging port, comprise common charging port 22 and quick charge port 23.
Described air-conditioning unit 8 is configured in the upside on floor 10, that is, is configured in the R of car chamber, and, close vehicle front side compared with battery pack 5.Here, be configured between front coaming plate D for separating the M of motor room and car chamber R and not shown instrument board.This air-conditioning unit 8 blows temperature tune wind in the R of car chamber, and this temperature adjusts the temperature of wind to be adjusted to can obtain design temperature.
[structure of external charging unit]
Fig. 2 represents the vehicle body front structure of the motor vehicle of the charging port locking system that uses embodiment 1, and Fig. 3 represents the external charging state of motor vehicle.Below, based on Fig. 2 and Fig. 3, the structure of the external charging unit to motor vehicle describes.
As shown in Figure 2, described external charging unit 6 is configured between front engine cover 41 and front bumper 42, and position in vehicle-width direction central portion.Front engine cover 41 can be opened and closed to be arranged on the upper position of Vehicular body front.Front bumper 42 is arranged on the lower position of Vehicular body front, extends integratedly and forms from both sides towards rear view of vehicle, doubles as mud guard use.In addition, in Fig. 2, the 44, the 44th, the headlamp unit of pair of right and left, the 45th, running air inlet.This external charging unit 6 has charging end lid 21, common charging port 22 and quick charge port 23, and wherein, this charging end lid 21 is set to, and via the switching arm mechanism 24,24 of left and right, can open and close along the vertical direction with respect to car body.
Described common charging port 22 is the charging ports that use in the time of the external charging of family expenses charging device or common charging station etc., is connected with DC/DC terminal box 4 cables via onboard charger 7.
Described quick charge port 23 is the charging ports that use in the time of the external charging of quick charge station etc., is connected with DC/DC terminal box 4 cables.
In the time of described external charging, for example, as shown in Figure 3, carry out the operation of the locking releasing of the cover locking mechanism of the charging end lid 21 for making to close, charging end lid 21 is upwards pushed away and open it.If this charging end lid 21 is opened, the leading section of common charging port 22 and quick charge port 23 exposes, and therefore, by the charging gun from external power source 11 50 being inserted to the leading section of some ports and it being fixed, thereby carries out external charging.
[detailed construction of charging port locking system]
Fig. 4 represents the detailed construction of the charging port locking system of embodiment, and Fig. 5 represents the lockup state (a) that the rod bolt releasing of limitation lock locking mechanism operates and the released state (b) of allowing rod bolt releasing operation.Below, based on Fig. 4 and Fig. 5, the detailed construction of charging port locking system is described.
As shown in Figure 4, the charging port locking system of embodiment 1 has an example of common charging port 22(charging port) and lockable mechanism 60.
Described common charging port 22 is supplied with the electric power from external power source 11 under fastening state, has engaged part 22a, the operation of this engaged part 22a by user and engaging with the holding section 51a of the rod bolt action bars 51 of charging gun 50.This common charging port 22 is fixed on body part 27, and port leading section protrudes configuration towards the port chamber 29 being formed by port cap 28.
As shown in Figure 4, described charging gun 50 has insertion section 50a and grip part 50b.And, on charging gun 50, being provided with rod bolt action bars 51, this rod bolt action bars 51 has holding section 51a, locking is removed operating portion 51b, back shaft 51c.Holding section 51a is arranged on action bars leading section, engages with engaged part 22a at the electrical connecting position place of common charging port 22.Locking is removed operating portion 51b and is arranged on action bars rearward end, protrudes from charging gun outer surface, carries out the locking of holding section 51a remove by pressing operation.Back shaft 51c is arranged on action bars pars intermedia, and rod bolt action bars 51 rotates centered by this back shaft 51c.In addition, as shown in Figure 4, on charging gun 50, be provided with action bars pretension parts 52 and action bars and remove position switch 53.
Described lockable mechanism 60 is for example, to arrange in order to prevent mischief (rise and want charging gun 50 to pull out for the moment while, passing by).This lockable mechanism 60 is at holding section 51a and engaged part 22a during in fastening state, by bar 61(limiting part) protrude the releasing operation that limit holding section 51a to locking direction, thus realize the lockup state (Fig. 5 (a)) of restriction fastening state releasing.In addition, at holding section 51a and engaged part 22a during in fastening state, by bar 61 to moving with the unlocking direction of locking opposite direction one side, thereby realize the released state (Fig. 5 (b)) of feasible solution except operation.As shown in Figure 4, this lockable mechanism 60 is fixed on the upper position of the position that common charging port 22 is installed in car body member 27, and bar 61, in the time arriving lockup state, protrudes from common charging port 22 side direction charging gun 50 sides (vehicle front side).
[detailed construction of lockable mechanism]
Fig. 6 illustrates the lockable mechanism when sliding pin of the charging port locking system of embodiment 1 is positioned at cotter slot maximum outside diameter position, and Fig. 7 to Figure 10 illustrates each structural element of lockable mechanism.Below, based on Fig. 6 to Figure 10, the detailed construction of lockable mechanism 60 is described.
As shown in Figure 6, described lockable mechanism 60 has bar 61, motor 62(drive source), worm screw 63, worm gear 64, disk 65(the first link), sliding pin 66(the second link).
Described lockable mechanism 60 has: disk 65, and it is rotarilyd actuate by motor 62; And sliding pin 66, it is connected with disk 65 and bar 61, the circular motion of disk 65 is transformed to the rectilinear motion of bar 61.And be configured to, near the maximum of bar 61 is protruded, in the situation that bar 61 is pressed into unlocking direction, be applied to the direction of the power disk 65 towards near of the pivot O of disk 65 from sliding pin 66.
So-called described bar 61(limiting part) maximum protrude near, in embodiment 1, be the concept that comprises the part that exceedes maximum outside diameter position from lock position.In the case of the lockable mechanism 60 of embodiment 1, as shown in Figure 6, it is configured to, the in the situation that at bar 61, from unlocked position (Figure 11) to lock position, (Figure 12) being mobile, the larger state (Fig. 6: maximum outside diameter position) of bulge quantity via bulge quantity during than lock position and moving to lock position.
As shown in Figure 6, can to carry out rectilinear motion with respect to lockable mechanism housing 67 (Fig. 6 moves up and down) supported for described bar 61.As shown in Figure 7, on this bar 61, be provided with retainer 61a, this retainer 61a by with the retainer 67a(stationary parts of lockable mechanism housing 67) butt and be to till unlocked position by mobile restriction.And, spring 61b(spring members is installed between retainer 61a and lockable mechanism housing 67).This spring 61b produces the pretightning force of unlocking direction (downward direction of Fig. 7) to disk 65 via sliding pin 66.
As shown in Figure 6, described disk 65 is first links that are made up of circular flat board, via the Worm gear speed reducing mechanism rotation of slowing down, wherein, this Worm gear speed reducing mechanism is configured to, on the motor reel of motor 62, be provided with worm screw 63, be provided with the worm gear 64 engaging with worm screw 63 in the periphery of disk 65.
As shown in Figure 9, on described disk 65, have cotter slot 65a in the scope till from lock position to unlocked position, the distance between this cotter slot 65a and pivot O gradually changes along with the anglec of rotation of disk 65.Being changed to of distance between cotter slot 65a and pivot O, starts to increase gradually till maximum outside diameter position from lock position, starts to reduce gradually till lock position from maximum outside diameter position.And, at the first extended range that departs from lock position of cotter slot 65a and depart from the second extended range of unlocked position, have by the first extension slot 65b and the second extension slot 65c that form with the concentric circles of the constant distance of the pivot O of disk 65.The mode that this first extension slot 65b and the second extension slot 65c do not overlap according to the Zhou Fangxiang position of the pivot around disk 65 arranges.In addition, the groove width of the second extension slot 65c is made as wider than cotter slot 65a.In addition, the first extension slot 65b and the second extension slot 65c are provided with elastomer 65d, the 65e such as rubber in groove end separately.
As shown in figure 10, on described disk 65, centered by pivot O, be provided with locking side electric terminal 65f(self-cleaning contact with concentric shape), release side electric terminal 65g(self-cleaning contact) and locking/release side electric terminal 65h(self-cleaning contact).These electric terminals 65f, 65g, 65h be located at disk 65 be formed with on the surface of the contrary side of groove forming surface of cotter slot 65a etc.And, alignd with the lock position of cotter slot 65a in the end of locking side electric terminal 65f, alignd with the unlocked position of cotter slot 65a in the end of release side electric terminal 65g.In addition, locking/release side electric terminal 65h is set as to the scope of the Zone Full that covers locking side electric terminal 65f and release side electric terminal 65g.
Described sliding pin 66 is to be slidably inserted into the second link in this cotter slot 65a along cotter slot 65a, and as shown in Figure 8, it is configured to, and has integratedly sliding part 66a and the 66b of pin portion.As shown in Figure 7, sliding part 66a is set in the guiding groove 61d of the 61c of sliding guidance portion, to slide, and wherein, this 61c of sliding guidance portion and bar 61 are orthogonal and be fixed on the central portion of bar 61.As shown in Figure 8, the 66b of pin portion is formed as protruding from sliding part 66a, can be slidably inserted into along cotter slot 65a.
Below, describe for effect.
First, " problem of comparative example " described, then, the effect of the charging port locking system of embodiment 1 is divided into " effect of preventing is removed in the engaging of charging gun ", " other effects of lockable mechanism " describe.
[problem of comparative example]
For example, the charging port locking system with lockable mechanism of recording in JP 2011-249165 communique is made as to comparative example.
Conventionally, charging gun is inserted in charging port and the external charging carrying out, by car in-house operation action bars or remove the locking of charging end lid at the button of car peripheral operation remote-control key etc.Then, the charging gun of external power source is inserted in the leading section of the charging port that leading section exposes.At this moment, maintenance is pressed being pressed into state of rod bolt action bars and is made charging gun insertion mobile, then, decontrols rod bolt action bars, and the holding section of charging gun and the engaged part of charging port are fixed.If be electrically connected in this state, can carry out external charging, but because the required time of external charging is longer, the personnel that carry out charging operations can after starting, external charging leave from scene.
Therefore,, as the charging port locking system that uses lockable mechanism, it,, in the time that above-mentioned this charging operations personnel leave from the scene of charging after external charging starts, avoids the situation of charging gun being taken off because of mischief etc.This lockable mechanism, under the state that the holding section of charging gun and the engaged part of charging port are fixed, makes lockable mechanism action by the push-botton operation of remote-control key etc., bar is protruded towards the holding section of charging gun, thereby carry out locking.
But the lockable mechanism of recording in TOHKEMY 2011-249165 communique, if bar is subject to the load of unlocking direction, bar moves to engaging releasing direction sometimes under the effect of load, cannot prevent that the engaging of charging gun is disengaged.Its result, cannot avoid the situation of charging gun being taken off because of mischief etc.Especially, as described in Example 1, the bar protruding as the holding section towards charging gun, because it is protruding upward in the side identical with the direction of insertion of charging gun, so in external charging, can, by the front end face of bar is pressed into and makes bar bear load, easily apply larger load on bar.
[the engaging releasing effect of charging gun]
As mentioned above, for fear of the situation of because of mischief etc., charging gun being taken off, need to prevent that the engaging of charging gun is disengaged in external charging.Based on Fig. 4 to Fig. 6, Figure 11 and Figure 12, the engaging releasing of the charging gun that reflects above-mentioned situation is prevented to effect describes below.
When the unlocked position of cotter slot 65a at sliding pin 66 in disk 65, as shown in figure 11, the bulge quantity of bar 61 is minimum bulge quantity Lmin.Under this released state, as shown in Fig. 4 and Fig. 5 (b), at holding section 51a and engaged part 22a during in fastening state, allow that the engaging of carrying out rod bolt action bars 51 removes operation.
And if engage the push-botton operation of locking by remote-control key etc., the motor 62 of lockable mechanism rotarilys actuate, disk 65 is rotated along the arrow A direction of Figure 11.By the rotation of this disk 65, sliding pin 66 is moved along the cotter slot 65a of disk 65 to external diameter direction, the bar 61 that is connected with sliding pin 66 bulge quantity in external diameter direction is increased.Then,, in the time that sliding pin 66 arrives the maximum outside diameter position of cotter slot 65a of disk 65, as shown in Figure 6, the bulge quantity of bar 61 is maximum bulge quantity Lmax.
In addition, if the anglec of rotation of disk 65 increases, sliding pin 66 moves to internal diameter direction along the cotter slot 65a of disk 65 by the rotation of disk 65, and the bar 61 that is connected with sliding pin 66 bulge quantity on internal diameter direction is reduced.Then,, in the time that sliding pin 66 arrives the lock position of cotter slot 65a of disk 65, as shown in figure 12, the bulge quantity of bar 61 is locking bulge quantity Llock(<Lmax).
In addition, if carry out the push-botton operation of locking releasing by remote-control key etc., the motor 62 of lockable mechanism 60 rotarilys actuate, and makes disk 65 to rotating with the direction of the arrow A opposite direction of Figure 11.And so-called above-mentioned locking action, till referring to and making sliding pin 66 be back to the unlocked position of cotter slot 65a of disk 65 by contrary action.
In embodiment 1, as lockable mechanism 60, have: disk 65, it is driven in rotation by motor 62; And sliding pin 66, it is connected with disk 65 and bar 61, the circular motion of disk 65 is transformed to the rectilinear motion of bar 61.And, adopt following structure, that is, in the case of bar 61 being pressed into unlocking direction near the maximum of bar 61 is protruded, the direction that is applied to the power disk 65 from sliding pin 66 is near disc centre O.
Suppose that near the bar 61 maximum protrusion is pressed into unlocking direction when limited the lockup state of fastening state releasing of charging gun 50 and common charging port 22 by bar 61.At this moment, act on the direction of the power disk 65 from the sliding pin 66 being connected with bar 61, towards near of the pivot O of disk 65.For example, as shown in figure 12, at bar 61, during in lock position, on the front end face of bar 61, effect has the load B of unlocking direction.At this moment, as shown in figure 12, if sliding pin 66 is positioned at the central portion of bar 61, the direction that acts on the direction of the power on disk 65 and the pivot O of disk 65 is consistent.And, even sliding pin 66 is departed from owing to being applied to resistance etc. on sliding pin 66 to certain direction from the central portion of bar 61, act on the direction of the power on disk 65 also near the pivot O of disk 65.
That is, be only the load that applies the direction that bar 61 is pressed into, because the power in the tangential direction of disk 65 is very little, therefore cannot make bar 61 move to unlocking direction.Its result, thus when charging gun 50 being inserted to common charging port 22 and make its engaging carry out external charging, even if bar 61 is applied to the load of unlocking direction, also can prevent that the engaging of charging gun 50 is disengaged.Therefore, can avoid the situation of charging gun 50 being taken off because of mischief etc.
In embodiment 1, adopt following structure as lockable mechanism 60, that is, in the situation that bar 61 moves from unlocked position to lock position, move to lock position via the bulge quantity state larger than lock position (maximum outside diameter position).
That is, so long as not by after bar 61 is till lock position is temporarily drawn out to maximum outside diameter position, be subject to being pressed into bar 61 load of direction, disk 65 just can not rotate to unlocking direction.In other words,, even if applied the load that is pressed into direction to bar 61, disk 65 also only can be further to locking direction rotation, and can not rotate to unlocking direction.
Therefore, in the time carrying out external charging, can further prevent that the engaging of charging gun 50 is disengaged, avoid the situation of charging gun 50 being taken off because of mischief etc.
[other effects of lockable mechanism]
In embodiment 1, the first link is made as to disk 65, this disk 65 has cotter slot 65a, and in the scope till from lock position to unlocked position, the distance of this cotter slot 65a and pivot changes along with the anglec of rotation.The second link adopts the sliding pin 66 that can be slidably inserted into along cotter slot 65a.Thus, owing to implementing the advance and retreat of bar 61 by the rotation of disk 65, therefore can realize release by disk 65 is rotated.
In embodiment 1, adopt following structure, that is, and at the first extended range that departs from lock position of cotter slot 65a and depart from the second extended range of unlocked position, have the first extension slot 65b and the second extension slot 65c, they form the concentric circles centered by the pivot O of disk 65.
That is, the anglec of rotation of disk 65 is determined by the action of motor 62, and the anglec of rotation of motor 62 can be along with producing fluctuation conduction time etc.But by forming groove 65b, 65c with concentric shape in advance on disk 65, thereby the position of bar 61 can not change in fluctuation range, thereby can absorb the rotation error of motor 62.
In embodiment 1, adopt following structure, that is, the first extension slot 65b and the second extension slot 65c are made as, their positions on the Zhou Fangxiang of the pivot O around disk are not overlapped.
Thus, by groove 65b, 65c are not overlapped, that is, make the anglec of rotation of disk 65 be less than or equal to 360 degree, thereby the electric terminal of slidingtype can be set on disk 65.
In embodiment 1, the locking side electric terminal 65f that disk 65 has and release side electric terminal 65g adopt following structure,, are arranged to align with lock position and the unlocked position of cotter slot 65a respectively in the two ends of these two electric terminals that is.
That is, the electric driving of motor 62 is in the scope of locking side electric terminal 65f and release side electric terminal 65g, and cotter slot 65a is formed as larger than the scope of self-cleaning contact.Therefore, in the time of the butt of the end of sliding pin 66 and cotter slot 65a, only have inertia force effect, can reduce impulsive force.
In embodiment 1, the first extension slot 65b and the second extension slot 65c adopt the structure that is provided with elastomer 65d, 65e in groove end separately.
Thus, by rubber such elastomer 65d, 65e are set in the end of two extension slot 65b, 65c, thereby can reduce impulsive force.
In embodiment 1, adopt following structure, that is, lockable mechanism 60 has spring 61b, and this spring 61b produces the pretightning force of unlocking direction to disk 65.
Thus, by apply the spring force of unlocking direction on disk 65, thereby can avoid moving to lock position because the vibration of (unlocked position) in travelling makes bar 61., bar 61 cannot be chimeric at lock position place.
In embodiment 1, adopt following structure, that is, the first link is made as to the disk 65 being formed by circular flat board, drive source is made as to motor 62, on the motor reel of motor 62, be provided with worm screw 63, in the periphery of disk 65, be provided with the worm gear 64 engaging with worm screw 63.
,, for the position of bar 61 is driven, the external diameter of disk 65 is larger.Therefore, can be by the worm gear 64 engaging with worm screw 63 in its peripheral part setting, and obtain higher speed reducing ratio.
In embodiment 1, adopt following structure, that is, on the bar 61 as limiting part, be provided with retainer 61a, this retainer 61a by with the retainer 67a butt of lockable mechanism housing 67, and by mobile restriction in the scope till unlocked position.
As mentioned above, by with spring 61b, mechanical stops being set independently, thereby can make the gear (worm screw 63, worm gear 64) of drive system not bear the spring force of spring 61b.
In embodiment 1, adopt the structure that the groove width of the second extension slot 65c of release side is set as being wider than cotter slot 65c.
Therefore, can surplus be set for the position of mechanical stops (comprising fluctuation), with the spring force that makes to apply by spring 61b is set, can not act on the rotating shaft of disk 65.
Below, effect is described.
In the charging port locking system of embodiment 1, can obtain the following effect of enumerating.
(1) charging port locking system has:
Charging port (common charging port 22), it is supplied to the electric power from external power source 11 under fastening state, and this charging port has the engaged part 22a engaging with the holding section 51a of charging gun 50 by user's operation; And
In above-mentioned charging port locking system,
Described lockable mechanism 60 is configured to, and has: the first link (disk 65), and it is driven in rotation by drive source (motor 62), and second link (sliding pin 66), it is connected with described the first link (disk 65) and described limiting part (bar 61), the circular motion of the first link (disk 65) is transformed to the rectilinear motion of limiting part (bar 61), near the maximum of described limiting part (bar 61) is protruded, in the situation that described limiting part (bar 61) is pressed into unlocking direction, acted on the direction of the power on described the first link (disk 65) by described the second link (sliding pin 66), near the pivot O of described the first link (disk 65) (Fig. 6).
Therefore,, when charging gun 50 being inserted to charging port (common charging port 22) and make its engaging carry out external charging, even if apply the load of unlocking direction on limiting part (bar 61), also can prevent that the engaging of charging gun 50 is disengaged.
(2) described lockable mechanism 60 is configured to, and in the situation that described limiting part (bar 61) moves from unlocked position to lock position, moves (Fig. 9) via the bulge quantity state larger than lock position (maximum outside diameter position) to lock position.
Therefore, on the basis of the effect of (1), can in the time carrying out external charging, further prevent that the engaging of charging gun 50 is disengaged, can avoid the situation of charging gun 50 being taken off because of mischief etc.
(3) described the first link is dull and stereotyped (disk 65), and with cotter slot 65a, in the scope till from lock position to unlocked position, the distance between this cotter slot 65a and pivot O changes along with the anglec of rotation of described flat board (disk 65),
Described the second link is pin (sliding pin 66), and it can be slidably inserted in this cotter slot 65a (Fig. 6) along described cotter slot 65a.
Therefore, on the basis of the effect of (1) or (2), because the rotary actuation by dull and stereotyped (disk 65) is implemented the advance and retreat of limiting part (bar 61), therefore can be by making flat board (disk 65) rotation carry out release.
(4) described the first link at the first extended range that departs from lock position of described cotter slot 65a with depart from the second extended range of unlocked position, has the first extension slot 65b and second extension slot 65c(Fig. 9 of being made up of the concentric circles centered by the pivot O by described flat board (disk 65)).
Therefore, on the basis of the effect of (3), can, for the anglec of rotation fluctuation of the drive source (motor 62) that flat board (disk 65) is rotarilyd actuate, suppress the stroke of limiting part (bar 61) on one side, absorb the rotation error of drive source (motor 62) on one side.
(5) described the first extension slot 65b and described the second extension slot 65c are set as, make they do not overlap each other around the Zhou Fangxiang position of the pivot O of described flat board (disk 65) (Fig. 9).
Therefore,, on the basis of the effect of (4), the electric terminal of slidingtype can be set on dull and stereotyped (disk 65).
(6) described the first link (disk 65) has the self-cleaning contact (locking side electric terminal 65f, release side electric terminal 65g) for conducting electricity,
Described self-cleaning contact (locking side electric terminal 65f, release side electric terminal 65g) is set as, make two ends respectively with lock position and the unlocked position consistent (Figure 10) of described cotter slot 65a.
Therefore,, on the basis of the effect of (5), by only conducting electricity in the setting range of cotter slot 65a, in the time of the butt of the end of pin (sliding pin 66) and cotter slot 65a, only have inertia force effect, thereby can reduce impulsive force.
(7) described the first extension slot 65b and the second extension slot 65c are provided with elastomer 65d, 65e(Fig. 9 in groove end separately).
Therefore, to the basis of the effect of (6), can, in the time that pin (sliding pin 66) is moved beyond cotter slot 65a due to the rotation error of drive source (motor 62), reduce impulsive force in (4).
(8) described lockable mechanism 60 has spring members (spring 61b), and it applies the pretightning force (Fig. 7) of unlocking direction to described the first link (disk 65).
Therefore,, to the basis of the effect of (7), can prevent from moving to lock position in limiting part (bar 61) travelling due to vibration in the time of unlocked position in (1).
(9) first links are the disks 65 that are made up of circular flat board,
Described drive source is motor 62,
On the motor reel of described motor 62, be provided with worm screw 63, in the periphery of described disk 65, be provided with the worm gear 64(Fig. 6 engaging with described worm screw 63).
Therefore, in (1) to the basis of the effect of (8), the worm gear 64 engaging with worm screw 63 by the peripheral part setting of the disk 65 external diameter is larger in order to form cotter slot 65a, thus can obtain higher speed reducing ratio.
(10) described limiting part is bar 61,
On described bar 61, be provided with retainer 61a, this retainer 61a by with stationary parts (retainer 67a) butt by its mobile restriction in the scope till unlocked position (Fig. 6).
Therefore,, on the basis of the effect of (9), can make the gear (worm screw 63, worm gear 64) of drive system not bear the spring force of spring 61.
(11) groove width of described the second extension slot 65c is made as than described cotter slot 65a wide (Fig. 9).
Therefore, on the basis of the effect of (10), can be for the set positions surplus of mechanical stops, so that the spring force by spring 61b effect is set can not acted on the rotating shaft of disk 65.
[embodiment 2]
First, structure is described.
The first case of lockable mechanism when Figure 13 represents that the intermediate bar in the charging port locking system of embodiment 2, bar being connected with disk is positioned at lock position, Figure 14 represents the second case of lockable mechanism, Figure 15 represents the 3rd example of lockable mechanism.Below, based on Figure 13 to Figure 15, the structure of the lockable mechanism 60 to embodiment 2 describes.
As shown in FIG. 13 to 15, described lockable mechanism 60 has bar 61, motor 62(drive source), worm screw 63, worm gear 64, disk 65(the first link), intermediate bar 68(the second link).
As shown in figure 13, described bar 61 have disk 65 is applied to the spring 61e(spring members of the power of locking direction pretension).In addition,, in Figure 14 and Figure 15, omit spring members.
Described intermediate bar 68 is second links that the position away from pivot O of disk 65 and bar 61 are linked, it is configured to, make the axis that the disk side mounting points 68a at the lock position place of this intermediate bar 68 and bar side mounting points 68b are linked, with respect to the pivot O of disk 65 and through locking side.
Here, Figure 13 to Figure 15 represents that the lockable mechanism 60 of embodiment 2 is with respect to the layout degree of freedom in the space being determined by vehicle key element or vehicle specification.As the first case of the lockable mechanism 60 shown in Figure 13, by bar 61 and motor 62 orthogonal configuration, in the time of lock position, the bar side mounting points 68b of intermediate bar 68 is set in to the top (seeing diagram) of disk 65.As the second case of the lockable mechanism 60 shown in Figure 14, by bar 61 and motor 62 configured in parallel, in the time of lock position, the bar side mounting points 68b of intermediate bar 68 is set in to the below (seeing diagram) of disk 65.As the 3rd example of the lockable mechanism 60 shown in Figure 15, by bar 61 and motor 62 orthogonal configuration, and, disk 65 is configured in to a side contrary to first case, in the time of lock position, the bar side mounting points 68b of intermediate bar 68 is set in to the top (seeing diagram) of disk 65.
In addition, other structures are identical with embodiment 1, and therefore, to the same label of corresponding structure tag, description thereof is omitted.
Below, effect is described, the in the situation that of embodiment 2, if the motor 62 of lockable mechanism 60 is rotarilyd actuate, the disk side mounting points 68a of intermediate bar 68 is rotated along the peripheral part of disk 65.Rotatablely moving of this disk side mounting points 68a is transformed to the rectilinear motion of bar side mounting points 68b via intermediate bar 68, bar 61 is followed the rectilinear motion of bar side mounting points 68b and above moved in locking direction (upward direction of Figure 13) and unlocking direction (downward direction of Figure 13).
In embodiment 2, adopt following structure, that is, limiting part is made as to bar 61, the first link is made as to the disk 65 rotating by motor 62, the second link is made as to the intermediate bar 68 that the position away from pivot O of disk 65 and bar 61 are linked.
As mentioned above, implement the advance and retreat of bar 61 by the rotation of disk 65, therefore, can carry out release by disk 65 is rotated.And, as shown in FIG. 13 to 15, by the second link is made as to intermediate bar 68, thereby can realize the layout degree of freedom of lockable mechanism 60 with respect to the space being determined by vehicle key element.
In embodiment 2, adopt the structure with spring 61e, wherein, this spring 61e produces the pretightning force of locking direction to disk 65.
Therefore, in the time bar 61 being pulled to locking direction because of mischief, the pretightning force of spring 61e becomes resistance, suppresses disk 65 and rotates.
In embodiment 2, adopt following structure, that is, the axis of the disk side mounting points 68a of the lock position of intermediate bar 68 and bar side mounting points 68b link is configured to, with respect to the pivot O of disk 65, it is through locking side.
Thus, in the situation that bar 61 moves from unlocked position to lock position, it moves to lock position through the bulge quantity state (maximum outside diameter position) larger than lock position.That is, after till bar 61 is temporarily drawn out to maximum outside diameter position from lock position, make bar 61 bear the load that is pressed into direction, disk 65 just can not rotate to unlocking direction.
Therefore, can be in the time carrying out external charging, further prevent that the engaging of charging gun 50 is disengaged, can avoid because of mischief etc., charging gun 50 being taken off.
Below, describe for effect.
In the charging port locking system of embodiment 2, can obtain the following effect of enumerating.
(12) described limiting part is bar 61,
Described the first link is the disk 65 rotating by described drive source (motor 62),
Described the second link is the intermediate bar 68(Figure 11 to Figure 13 for the position away from position of rotation O of described disk 65 and described bar 61 are linked).
Therefore, on the basis of the effect of embodiment 1 (1), (2), can be by disk 65 being rotated carry out release, and, can realize the layout degree of freedom of lockable mechanism 60 with respect to the space being determined by vehicle key element.
(13) described lockable mechanism 70 have described disk 65 is produced to the pretightning force of locking direction spring members (spring 61e) (Figure 11).
Therefore,, on the basis of the effect of (12), can, in the time bar 61 being pulled to locking direction because of mischief, suppress disk 65 by the pretightning force of spring 61e and rotate.
(14) axis of the disk side mounting points 68a at the lock position place of described intermediate bar 68 and bar side mounting points 68b link is configured to, with respect to the pivot O of described disk 65, it is through locking side (Figure 11 to Figure 13).
Therefore, on the basis of the effect of (11) or (12), can be in the time carrying out external charging, prevent that the engaging of charging gun 50 is disengaged, can avoid the situation of charging gun 50 being taken off because of mischief etc.
Based on embodiment 1 and embodiment 2, charging port locking system of the present invention is illustrated above, but for concrete structure, be not limited to above-described embodiment, only otherwise depart from the purport of the related invention of each claim of claims, allow and carry out design alteration or append etc.
In embodiment 1,2, the example as limiting part exemplified with use bar 61.But, be not limited to bar as limiting part, for example, also can use plate member etc.
In embodiment 1,2, the example as drive source exemplified with use motor 62.But, be not limited to motor as drive source, for example, also can use solenoid actuator etc.
In embodiment 1,2, as the first link, exemplified with the example that uses disk 65, still, as the first link, be not limited to disk, for example, also can use the square syndeton such as flat board or connecting plate or linking arm key element.
In embodiment 1, as the second link, exemplified with use can with the example of the sliding pin 66 of the orthogonal square upward sliding of the moving direction of bar 61.But, as the pin of the second link, also can be fixing integratedly with bar.
In embodiment 2, the example as the second link exemplified with use intermediate bar 68.But, as the second link, as long as forming the parts of the bindiny mechanism that includes this class formation of crank mechanism, except intermediate bar, also can use miscellaneous part.
In embodiment 1,2, exemplified with the example that charging port locking system of the present invention is applied to the external charging unit of motor vehicle.But charging port locking system of the present invention also can be applied to the external charging unit of plug-in hybrid-power automobile.In a word, the motor vehicle of/1 charging port fast sharing common as long as being provided with or the external charging unit of 2 charging ports is all suitable for.
Claims (14)
1. a charging port locking system, it has:
Charging port, it is supplied to the electric power from external power source under fastening state, and this charging port has the engaged part engaging with the holding section of charging gun by user's operation; And
Lockable mechanism, it is in described holding section and described engaged part during in fastening state, realize lockup state and released state, wherein, this lockup state is to protrude the releasing operation that limits described holding section to locking direction by limiting part, thereby the releasing of restriction fastening state, this released state is to moving and allow described releasing operation with the unlocking direction of locking opposite direction one side by described limiting part
This charging port locking system is characterised in that,
Described lockable mechanism has the first link and the second link, wherein, this first link is driven in rotation by drive source, this second link is connected with described the first link and described limiting part, the circular motion of the first link is transformed to the rectilinear motion of limiting part, this lockable mechanism is configured to, near the maximum of described limiting part is protruded, in the situation that described limiting part is pressed into unlocking direction, be applied to the direction of the power described the first link from described the second link, near the pivot of described the first link.
2. charging port locking system according to claim 1, is characterized in that,
Described lockable mechanism is configured to, and in the situation that described limiting part moves from unlocked position to lock position, described lockable mechanism moves to lock position than the larger state in lock position via bulge quantity.
3. charging port locking system according to claim 1 and 2, is characterized in that,
Described the first link is dull and stereotyped, and has cotter slot in scope till from lock position to unlocked position, and the distance of this cotter slot and pivot changes along with the dull and stereotyped anglec of rotation,
Described the second link is the pin that can be slidably inserted into along described cotter slot.
4. charging port locking system according to claim 3, is characterized in that,
Described the first link is at first extended range that departs from lock position of described cotter slot and depart from the second extended range of unlocked position, has the first extension slot and the second extension slot that are made up of the concentric circles centered by the pivot by described flat board.
5. charging port locking system according to claim 4, is characterized in that,
Described the first extension slot and described the second extension slot are set as, and they do not overlap each other around the Zhou Fangxiang position of the pivot of described flat board.
6. charging port locking system according to claim 5, is characterized in that,
Described the first link has the self-cleaning contact for conducting electricity,
Described self-cleaning contact is set as, and is alignd with lock position and the unlocked position of described cotter slot respectively in its two ends.
7. according to the charging port locking system described in any one in claim 4 to 6, it is characterized in that,
Described the first extension slot and the second extension slot are provided with elastomer in groove end separately.
8. according to the charging port locking system described in any one in claim 1 to 7, it is characterized in that,
Described lockable mechanism has the spring members that described the first link is applied to the pretightning force of unlocking direction.
9. according to the charging port locking system described in any one in claim 1 to 8, it is characterized in that,
Described the first link is the disk being made up of circular flat board,
Described drive source is motor,
On the motor reel of described motor, be provided with worm screw, be provided with and the worm gear of described worm engaging in the periphery of described disk.
10. charging port locking system according to claim 9, is characterized in that,
Described limiting part is bar,
On described bar, be provided with retainer, this retainer is by being to till unlocked position by the mobile restriction of bar with stationary parts butt.
11. charging port locking systems according to claim 10, is characterized in that,
The groove width of described the second extension slot is set as than described pin groove width.
12. charging port locking systems according to claim 1 and 2, is characterized in that,
Described limiting part is bar,
Described the first link is the disk rotating by described drive source,
Described the second link is by the intermediate bar of the position away from pivot of described disk and the link of described bar.
13. charging port locking systems according to claim 12, is characterized in that,
Described linkage has the spring members that described disk is produced to the pretightning force of locking direction.
14. according to the charging port locking system described in claim 11 or 12, it is characterized in that,
The axis that disk side mounting points by described intermediate bar when the lock position and bar side mounting points link is configured to, and than the pivot of described disk, it is through locking side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-265275 | 2012-12-04 | ||
| JP2012265275A JP2014110205A (en) | 2012-12-04 | 2012-12-04 | Charging port lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103855536A true CN103855536A (en) | 2014-06-11 |
Family
ID=50862889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310596958.7A Pending CN103855536A (en) | 2012-12-04 | 2013-11-22 | Locking device for charging port |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014110205A (en) |
| CN (1) | CN103855536A (en) |
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Application publication date: 20140611 |